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All results from a given calculation for HCOOC2H5 (Ethyl formate)

using model chemistry: CID/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
Energy calculated at CID/Def2TZVPP
 hartrees
Energy at 0K-267.765936
Energy at 298.15K 
HF Energy-266.942539
Nuclear repulsion energy179.741060
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CID/Def2TZVPP
ABC
0.61780 0.09836 0.08757

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.158 -0.283 0.000
C2 -0.682 -0.568 0.000
O3 0.000 0.684 0.000
C4 1.317 0.630 0.000
O5 1.970 -0.359 0.000
H6 -2.709 -1.214 0.000
H7 -2.439 0.282 0.877
H8 -2.439 0.282 -0.877
H9 -0.380 -1.128 -0.873
H10 -0.380 -1.128 0.873
H11 1.728 1.635 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 C4 O5 H6 H7 H8 H9 H10 H11
C11.50342.36493.59274.12911.08141.08071.08072.15332.15334.3333
C21.50341.42582.33022.66052.12712.14022.14021.08031.08033.2649
O32.36491.42581.31772.22943.30752.62342.62342.04742.04741.9720
C43.59272.33021.31771.18574.42763.87293.87292.59512.59511.0857
O54.12912.66052.22941.18574.75644.54164.54162.62302.62302.0088
H61.08142.12713.30754.42764.75641.75481.75482.48802.48805.2723
H71.08072.14022.62343.87294.54161.75481.75463.04832.49564.4682
H81.08072.14022.62343.87294.54161.75481.75462.49563.04834.4682
H92.15331.08032.04742.59512.62302.48803.04832.49561.74633.5836
H102.15331.08032.04742.59512.62302.48802.49563.04831.74633.5836
H114.33333.26491.97201.08572.00885.27234.46824.46823.58363.5836

picture of Ethyl formate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.650 C1 C2 H9 111.858
C1 C2 H10 111.858 C2 C1 H6 109.682
C2 C1 H7 110.774 C2 C1 H8 110.774
C2 O3 C4 116.227 O3 C2 H9 108.779
O3 C2 H10 108.779 O3 C4 O5 125.803
O3 C4 H11 109.897 O5 C4 H11 124.300
H6 C1 H7 108.504 H6 C1 H8 108.504
H7 C1 H8 108.538 H9 C2 H10 107.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability